Window-ventilator.



No. 891,824. PATENTED JUNE 30, 1908. H. A. DIRKES.

WINDOW VENTILATOR.

APPLICATION FILED JULY 27, 1907.

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' To-all {whom may concern:

HENRY A. DIRKES, or NEW YORK, .N.Y.

. Specification of Letters Patent.

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Patented June so, 1908. 1

. Application filed J l -27,1901. Serial No..386,790; g

. Be it known that I, HENRY A. DIRKES, a citizen of the United States, and a resident of the city, county, and State of New York,

. tion at the windows and similar have "invented certain new and useful Improvements in Ventilation, of which the folowing is a specification.

' Thisinvention relates to certain improvements in that class of ventilators which are.

particularly designed and adapted for loca- I openings of buildings and the objectof the invention is to provide a device of this general character of a simple and comparatively inexpensive nature and of a strong and com act construction having improved means or the admission of pure and fresh air to the room and also for the simultaneous discharge 'of the .foul or vitiated air therefrom.

The inventionconsists in certain novel features and principles .of the construction and combinat ons and arrangements, of the several parts of the improved ventilator,

, whereby certain important advantages are attained and-the device is rendered slmpler,

; cheaper and otherwise better adapted and :of the ventilator with its more convenient after set forthej In the accompanying drawings which serve to illustrate my invention-Figure 1 is a 's'ectional'view taken vertically through a ventilator constructed according to my in: ventionfthe device being shown applied to a window inposition for use; Fig. 2 is a sectional view taken horizontally through the device as shown in Fig. 1.; Fig. 3 is a sectional view slmllar to Flg. 2, but showin the casing broken out to illustrate the interior construction; Fig. 4 1s a view showing the lower part of a windowhaving my improved ventilator lnplace; Fig. 5 is a fragmentary sectional view taken vertically through the front part of the ventilator and showing certain features of construction to be-he'reinafter described,

and Fig. '6 is a view similar to Fig. 2 but showing a modified formation of the device. In'these views 1 r resents the window sill ii, while-3 indicates a board or supporting-member of proper dimengaged int e guides 4-ot the window casing,

'1tS.lOWe1. edge portion being rested upon the sill and its upperedge portion :being adaptedtqb'eengaged by the lower'edge of the lower light as little as possible. construction, however, forms no. part of my for use, all' as will be hereintop p ate partly sash rail? when said sash is lowered after the ventilator has been placed in position.

- 5 re resents the shell or casin of the improved ventilator, which may be ormed from wood, metal or other'suitable material held in any preferred way to the central part of the supporting board 3 in sucha way that one-si e of said shell or casing is extended b'eyond said board 3 at the outer side of the window as shown at 7, while the opposite side of the shell is extended beyond the inner face of the board so as to be within the room to-be ventilated as shown at 6 in the drawings. At opposite ends of the shell orca'sing 5, the supporting member or board 3 has plates 6, 6, of glass or the like, let into it, in such manner as to obstruct the passage of invention, and I do not desire to. be understood as limiting myself in any,'way to' the use of said transparent glass plates 1110011- This feature of" nection with my lmproved ventilator, nor to the employment of the supporting board or member 3, since the se parts are m no way essential:

The outwardly extended .portion7 of the shell or casing 5 has 6 enings at its opposite ends asshown at 8, an adapted for the entry and discharge of air, screens being extended across saidopenin'gs in a well known way to prevent the air passages from becoming I choked and also. to prevent the passage 0 solid im urities through the ventilator into the buil g andwithin the shell or casing is centrally arranged a vertically'extended par tition 10, whereby the interior of the said shell of casing is divided into two similar, but oppositely arranged com artments or conduits 11, '11, .each of which as communication with the" external air by way of one of the respective 'openings8, 8, at the ends of the outer part 7. of the shell-or casing. The partition 10 is extended entirely across the shell or'casing so as to entirely separate the respective -corn artments or conduits 11, 11, from one anot' er, said partition being extended entirelyrac'ross both the outer and in outer to the inner walls thereof so as to ,be

. adapted to deliver the air entering the outer part of the casing. at one side of the artition through the opening at the top oft e inner art of thecasmg into the room and to smarly deliver thev impure airiromjthe room,

through said opening at the top of the inner part of the casing, but at the opposite side of movable on guides 17, at the ends of the cas-A the partition 11, so that impure air is d1scharged from theouterpart of the casing in such a way as to prevent escape of the pure air entering by way of one compartment through the other compartment -11, without passing into the room and the inner portion 6 vof the shell or casing, which is extended within the room, is rovlded with an opening at its top, adapte for thesupply-and discharge of air to and from the room and to the respectlve compartments or conduits 11, 11, of the shell or casing; Thesaid openin at the top of the inner art 6 of the shell r casing is provided wit a screen'or filter 1 and 15 represents a sliding valve or cover,

ing and having ahandle 16. whereby it may be slid horizontally to more or less close or 0 en the to of said forwardly extended portlon 6 of t e casing, air may flow through one or the other of the compartments or con.- duits 11, 11, dependent upon the direction of the wind, into the room, while at the same time the foul or impure air will be drawn or forced outwardly from the room through the opposite compartment or conduit 11 of the casin where y the room ma be effectively vent' ated as will be read' y understood. The valve or cover 15 permits of being adand discharged from the room may e effect- 1vely controlled to meet varying requirements dependent on temperature and on the situation in which the improved ventilator 1s em}%loyed. r

In ig. 2 I have shown the partition 10 as constructed withopposite inclined or curved faces 12 directed towards the openings 8, 8, at the ends of the'casing the movement of the entering and escaping air being facilitated by such curved surfaces as will be readily understood,--but-I do not desire to be understood aslimiting myself to such curved conformation of the partition, since it is evident that a straight partition as she in Fig! 5 may also be used with good results.

The-forward part of the central partition 10 has laterally directed portions 18, 18, at opposite sides of its upper part, as clearly s own in Fig. 5. These laterally directed portions 18, 18, are arranged adjacent to the screen or filter" 14, andtheir lower or under surfaces are reversely curved u wardly and outwardly so as to deflect t e air entering the room through one ofthe conduits or passages byway of one end of the'screened opening at the top of the inner part of the casing laterally intothe room, whereby such entering air is prevented from passing directly across the top of the screen or filter .14 and esca ing by way of the conduit or passage at 't e\ opposite side of the central partition.

Certain features of construction similar to ples and outside portion of toward opposite of the casing in (position to direct the flow of those shown in Figs. 5 and 6 are illustrated and claimed in my co-pending application filed June 1, 1908.

From the above description of my invention, it will be obvious that the improvedventilator constructed according to my invention is of an extremely simple and inexpensive nature and is particularly .well

adapted for use by reasonof the effective operation aflorded by it in not'merely admitting the pure the discharging of the foul and vitiated air from the rooms and it will also be evident and fresh air but also in from the above description that the device is susceptible of considerable modification without material departure from the princispirit of the invention and for this I do not desire to be understood as reason I limiting myself to the precise form and arrangement of the several parts. herein set forth in carrying out my invention in practice. Nor do I wish to be understood as limiting myself to the particular arrange,

ment of the partition or of the conduits or compartments, except that said conduits or compartments are to be completely separated from each other so that the a-ir' entering by way of one conduit or compartment will be discharged .into the room and is prevented from escaping through the opposite conduitor compartment. Nor do I desire to limit myself tothe employment of my improvements in what are termed window ventilators alone, since it is obvious that the invention is well adapted'for use in connection with car ventilators and other ventilating devices and systems.

Any variety of regls ter or other controlling means may also be employedwhere desired,

for regulating the flowof air through the conduits to and from the room.

Having thus described my invention, I claimv a I 1. A ventilator comprising'a supporting member adapted to ;be extended across a window or the like, a casing carried by said member and having ortions extended from opposite sides thereo and adapted to be exposed outside and inside of the window, thw

said casing having openings at opposite sides for the admission and discharge of air to and from theinterior of the casmg, and the inside portion of said casing being also provided with inlet and outlet openlngs, and a central division extended across comprising oppositely arranged parts, the outer ends of which are reversely inclined sides of the outside portion each,other and are arranged tomeet at the, central part of theinside portion of the casthe interior of the casing and t e interior of the casing into twoconduits each adapted for the flow of air.

2. A ventilator comprising a supporting member adapted to be extended across, a window or the like, a casin carried thereby and havin a portion exten ed from the out-- side of saif member and provided with openings at its. opposite sides for the admission and discharge of air to and from the interior of the casing, and having an opening extended transversely across it at the mner side of the supporting member, a division extended across the interior of the casin and comprising parts, the outer ends 0 which are reversely inclined toward the openings at the outside ortion of the casing to direct the air .3 and dischar ed at the openings at opposite sides thereo and the inner ends 0 which are arranged adjacent to each other at the central part of the openin at the inside portion of the casing to divi e the same into an inlet and an outlet, and a valve device extended across the transverse opening at the inside portion of the casing and adjustably mounted for movement to open and close the same:

3. A ventilator comprising a casing. the

outer part of which has openings at opposite verse sides and the inner part of which has an opening extended across its top and a vertlcally arranged partition extended transy across the interior of the casing and dividing the same into two conduits the outer ends of which are adapted for the admission or discharge of air at the opposite openings atthe outer 1part of the casing and the inner ends of whic are adapted for the admission and discharge of air at opposite sides of the opening at the top of the inner part of the casing, the inner end of the partition being extended centrally across the opening in the top of the casing and having at its up er part reversely curved and oppositely ected portions each extended part way across the opening in the top of the casing at the central part of said opening and adapted to deflect the air discharged from the casing at one end of aid opening away from the air entering th casing at the opposite end of the openin In wltness whereof I have hereunto signed my name this 18th day of July 1 907,in the presence of two subscribing witnesses.

HENRY DIRKES. 

